import 'package:flutter/material.dart';

class MyApp11 extends StatelessWidget {
  const MyApp11({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        //导航条
        appBar: AppBar(
          title: const Text('堆叠组件',
              style: TextStyle(
                  fontSize: 20,
                  fontWeight: FontWeight.bold,
                  color: Colors.white)),
          backgroundColor: Colors.pink,
          centerTitle: true,
        ),
        //主体区域
        body: Center(
            child: Stack(
          clipBehavior: Clip.none,
          alignment: AlignmentDirectional.bottomCenter,
          children: [
            Container(
              width: 200,
              height: 200,
              color: Colors.cyan,
            ),
            Positioned(top: -100, child: Image.asset('open_eyes.png')),
            const Icon(
              Icons.ad_units_outlined,
              size: 100,
            )
          ],
        )));
  }
}
